Add asm filetype to cppdbg

[jiriks74]

CppTools VSCode extension suports debugging assembly (.asm) files as long as they're compiled with the correct debug flags:

This setup works for me

nasm -felf32 helloworld.asm -o helloworld.o -g -F dwarf
gcc -m32 -no-pie helloworld.o -o helloworld  -ggdb

[jay-babu]

Can you change the commit message to follow conventional commits? I will add that as a approver rule today.